TY  - JOUR
AU  - M. I. Auslender
AU  - M. I. Katsnel'son
TI  - Effective spin Hamiltonian and phase separation in the almost half-filled Hubbard model and the narrow-band $s$-$f$ model
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1982
SP  - 436
EP  - 444
VL  - 51
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1982_51_3_a13/
LA  - ru
ID  - TMF_1982_51_3_a13
ER  -